[Description based on the original description and the neotype]. Climbing, hemi-epiphitic vine. Stem with elongated internodes, shorter than broad. Prophyll not seen. LEAVES: Petiole canaliculate, sheath long in juvenile leaves. Leaf blade ovate triangular, distinctly paler on lower surface; apex acuminate, base cordate to cordate-sagittate, primary lateral veins 4 per side, posterior lobes rounded, acroscopic and basioscopic veins not distinct; basal vein and posterior rib information lacking. INFLORESCENCE: spathe c. 15 cm long, longer than the spadix. Spadix narrowing gradually towards the apex, male zone 3 times longer than the female zone. Flowers: gynoecium green with white stigmatic region, ovary 9-11-locular, 3-4 ovules per locule, placentation sub-basal.